package com.hsp.modifier;

public class A {
    //四个属性
    public int n1 = 100;
    protected int n2 = 200;
    int n3 = 300;
    private int n4 = 400;
    public void  m1(){
        System.out.println("n1="+n1+" "+"n2="+n2+" "+"n3="+n3+" "+"n4="+n4);
    }

    protected void m2(){}
    void m3(){}
    private void m4(){}
    public void hi(){
        m1();
        m2();
        m3();
        m4();
    }
}
